Removal of the T12 Boss Bonding Strap [CFML]

TASK 71-60-42-000-804-A
Removal of the T12 Boss Bonding Strap

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 71-60-42-000-801-A	Removal of the Air Intake Cowl T12 Access Panel
T12 Boss Bonding Strap

3. Job Set-up
Subtask 71-60-42-941-056-A

A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:

The ENG/MODE selector switch
The ENG/MASTER 1(2) control switch.

(2) On the ENG section of maintenance panel 50VU:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).

Subtask 71-60-42-010-058-A

B. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) in position.
(2) Remove the T12 sensor access panel (Ref. AMM TASK 71-60-42-000-801).

4. Procedure
Subtask 71-60-42-020-053-A

A. Removal of the T12 Boss Bonding Strap (1):
(1) Remove the bolts (2) that attach the bonding strap (1) to the air intake structure (3) and to the T12 boss (4).
(2) Remove the bonding strap (1).

[Rev.10 from 2021] 2026.04.02 06:33:31 UTC